Zachariah,E.J. Corrugated flange Technique for Beam Shaping of Sectorl electromagnetic Horn Antennas - - Cochin Dept. of physics 1981 - 182 p. Thesis (Ph.D) University of Cochin 1981. Guide: Dr. K.G. Nair ISBN: ISSN: Subjects--Index Terms: Corrugated Flange Dewey Class. No.: 621.396.677.73